BR8906379A - APPARATUS TO MEASURE THE ELECTRIC IMPEDANCE OF A LOW CONDUCTIVITY SAMPLE - Google Patents

APPARATUS TO MEASURE THE ELECTRIC IMPEDANCE OF A LOW CONDUCTIVITY SAMPLE

Info

Publication number: BR8906379A
Authority: BR; Brazil
Prior art keywords: measure; low conductivity; electric impedance; conductivity sample; sample
Prior art date: 1988-03-08

Application number

BR898906379A

Other languages

Portuguese (pt)

Inventor

Barrie Blake Coleman

Original Assignee

Health Lab Service Board

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1988-03-08

Filing date

1989-03-08

Publication date

1990-08-07

1989-03-08 Application filed by Health Lab Service Board filed Critical Health Lab Service Board

1990-08-07 Publication of BR8906379A publication Critical patent/BR8906379A/en

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/483—Physical analysis of biological material
- G01N33/487—Physical analysis of biological material of liquid biological material
- G01N33/48707—Physical analysis of biological material of liquid biological material by electrical means
- G01N33/48735—Investigating suspensions of cells, e.g. measuring microbe concentration

Landscapes

Health & Medical Sciences (AREA)
Engineering & Computer Science (AREA)
Life Sciences & Earth Sciences (AREA)
Biomedical Technology (AREA)
Physics & Mathematics (AREA)
Chemical & Material Sciences (AREA)
Urology & Nephrology (AREA)
Molecular Biology (AREA)
Hematology (AREA)
Biophysics (AREA)
Food Science & Technology (AREA)
Medicinal Chemistry (AREA)
Analytical Chemistry (AREA)
Biochemistry (AREA)
General Health & Medical Sciences (AREA)
General Physics & Mathematics (AREA)
Immunology (AREA)
Pathology (AREA)
Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

BR898906379A 1988-03-08 1989-03-08 APPARATUS TO MEASURE THE ELECTRIC IMPEDANCE OF A LOW CONDUCTIVITY SAMPLE BR8906379A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB888805488A GB8805488D0 (en)	1988-03-08	1988-03-08	Measuring electrical impedance of low conductivity samples
PCT/GB1989/000230 WO1989008838A1 (en)	1988-03-08	1989-03-08	Measuring electrical impedance of low conductivity samples

Publications (1)

Publication Number	Publication Date
BR8906379A true BR8906379A (en)	1990-08-07

Family

ID=10633040

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR898906379A BR8906379A (en)	1988-03-08	1989-03-08	APPARATUS TO MEASURE THE ELECTRIC IMPEDANCE OF A LOW CONDUCTIVITY SAMPLE

Country Status (12)

Country	Link
US (1)	US5003267A (en)
EP (1)	EP0406293B1 (en)
JP (1)	JPH02503473A (en)
AU (1)	AU616960B2 (en)
BR (1)	BR8906379A (en)
CA (1)	CA1322387C (en)
DE (1)	DE68909225T2 (en)
FI (1)	FI895297A0 (en)
GB (1)	GB8805488D0 (en)
HU (1)	HU205805B (en)
WO (1)	WO1989008838A1 (en)
ZA (1)	ZA891744B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5569591A (en) *	1990-08-03	1996-10-29	University College Of Wales Aberystwyth	Analytical or monitoring apparatus and method
EP0546044B1 (en) *	1990-08-30	1997-01-02	University College Of Wales Aberystwyth	Analytical method
JP3499315B2 (en) *	1994-12-29	2004-02-23	アジレント・テクノロジー株式会社	Compensation method of electromagnetic induction type probe
DE69808268T2 (en) *	1997-04-16	2003-06-12	Kaiku Ltd., Manchester	ASSESSMENT OF THE LIQUID COMPOSITION
FR2806799B1 (en) *	2000-03-22	2002-06-21	Schlumberger Services Petrol	DEVICES FOR CHARACTERIZING A CONTINUOUSLY CONDUCTIVE POLYPHASE FLUID
WO2006058180A2 (en) *	2004-11-24	2006-06-01	Measurement Specialties, Inc.	Two wire oscillator system for determining body impedance
US7279903B2 (en)	2005-05-02	2007-10-09	Invensys Systems, Inc.	Non-metallic flow-through electrodeless conductivity sensor with leak and temperature detection
US7405572B2 (en) *	2005-05-02	2008-07-29	Invensys Systems, Inc.	Non-metallic flow-through electrodeless conductivity sensor and leak detector
FR2914997B1 (en) *	2007-04-12	2017-04-07	Alessandro Manneschi	DEVICE FOR ANALYZING THE COMPOSITION OF THE CONTENT OF A CONTAINER COMPRISING A CONTAINER OF ANALYSIS
US7701229B2 (en)	2007-10-15	2010-04-20	Halliburton Energy Services, Inc.	Methods and systems for measurement of fluid electrical stability
CO6950087A1 (en) *	2012-11-15	2014-05-20	Univ Ind De Santander	Electronic system for the arrest and online monitoring of the growth / death of cells present in a culture
CN105588873B (en) *	2016-03-18	2019-04-19	中国计量学院	Outer formula low frequency electromagnetic detection device that passes through
DE102016122800A1 (en)	2016-11-25	2018-05-30	Krohne Messtechnik Gmbh	Method for operating an inductive conductivity meter and related inductive conductivity meter

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1307879A (en) *	1960-12-14	1962-10-26	Wayne Kerr Lab Ltd	Improvements to devices for measuring the electrical conductivity of a liquid
GB1073461A (en) *	1964-01-27	1967-06-28	Nat Res Dev	Measuring composition of liquid mixtures
US3417329A (en) *	1965-06-25	1968-12-17	Beckman Instruments Inc	Toroidal conductivity measuring system
SU593163A1 (en) *	1970-08-20	1978-02-15	Научно-Исследовательский Сектор Всесоюзного Ордена Ленина Проектно-Изыскательского И Научно-Исследовтельского Института "Гидропроект" Им. С.Я.Жука	Method of determining conductometric characteristics of substance
US3735247A (en) *	1971-10-04	1973-05-22	Emme Comp	Method and apparatus for measuring fat content in animal tissue either in vivo or in slaughtered and prepared form
GB1491207A (en) *	1973-11-12	1977-11-09	Atomic Energy Authority Uk	Sensors for monitoring the electrical conductivity of electrically conductive fluids
SU879429A1 (en) *	1978-08-15	1981-11-07	Волгоградское Специальное Конструкторское Бюро Научно-Производственного Объединения "Нефтехимавтоматика"	Conductivity apparatus
US4376026A (en) *	1980-08-01	1983-03-08	The North American Manufacturing Company	Oxygen concentration measurement and control
GB8408529D0 (en) *	1984-04-03	1984-05-16	Health Lab Service Board	Concentration of biological particles

1988
- 1988-03-08 GB GB888805488A patent/GB8805488D0/en active Pending
1989
- 1989-03-08 US US07/435,372 patent/US5003267A/en not_active Expired - Fee Related
- 1989-03-08 WO PCT/GB1989/000230 patent/WO1989008838A1/en not_active Ceased
- 1989-03-08 ZA ZA891744A patent/ZA891744B/en unknown
- 1989-03-08 DE DE89904153T patent/DE68909225T2/en not_active Expired - Fee Related
- 1989-03-08 FI FI895297A patent/FI895297A0/en not_active Application Discontinuation
- 1989-03-08 EP EP89904153A patent/EP0406293B1/en not_active Expired - Lifetime
- 1989-03-08 CA CA000593141A patent/CA1322387C/en not_active Expired - Fee Related
- 1989-03-08 JP JP1503769A patent/JPH02503473A/en active Pending
- 1989-03-08 AU AU33552/89A patent/AU616960B2/en not_active Ceased
- 1989-03-08 HU HU892103A patent/HU205805B/en not_active IP Right Cessation
- 1989-03-08 BR BR898906379A patent/BR8906379A/en unknown

Also Published As

Publication number	Publication date
AU3355289A (en)	1989-10-05
EP0406293B1 (en)	1993-09-15
DE68909225T2 (en)	1994-02-03
US5003267A (en)	1991-03-26
HU205805B (en)	1992-06-29
AU616960B2 (en)	1991-11-14
ZA891744B (en)	1989-10-25
CA1322387C (en)	1993-09-21
EP0406293A1 (en)	1991-01-09
HUT52877A (en)	1990-08-28
GB8805488D0 (en)	1988-04-07
HU892103D0 (en)	1990-07-28
FI895297A7 (en)	1989-11-07
JPH02503473A (en)	1990-10-18
DE68909225D1 (en)	1993-10-21
FI895297A0 (en)	1989-11-07
WO1989008838A1 (en)	1989-09-21

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